diff --git a/python/entangled/requirements.txt b/python/entangled/requirements.txt
index 945f776..f06a9dc 100644
--- a/python/entangled/requirements.txt
+++ b/python/entangled/requirements.txt
@@ -41,7 +41,7 @@ padme==1.1.1
 pexpect==4.2.1
 Pillow==5.1.0
 plainbox==0.25
-protobuf==3.0.0
+protobuf==3.18.3
 pyasn1==0.4.2
 pycairo==1.16.2
 pycrypto==2.6.1